Onsen Too Hot for Toddlers? Lukewarm Springs & Cool-Down Private Baths in Kyushu (2026)
The first time you lower a two-year-old towards a Japanese hot spring, you learn something the guidebooks skip: most onsen are run at 41–43°C, and a toddler’s hand will come back out of that water before their foot goes in. Japan’s consumer-safety agency puts a baby’s bath at 38–40°C, which is several degrees below almost … Read more